akerberg



SCPL 6, 1932- c. G. AKERBERG DETACHABLE HORSESHOE CLK Filed July 22, 1931 ATTORNEYS Patented Sept. 6, 1932'k UNITED* STAT-Ess PATE-Nr -oFl-lcilx` Ti CARL G. AKERBERG, F OSHKOSH, WISCONSIN, ASSIGrNOR` TO GIANT GRIP `IYIFCCO., l OSHKOSH, WISCONSIN, A CORPORATION OF WISCONSIN nnafAoHABLn H oRsEsHon cALx This invention relates to improvements in detachable horseshoe calksi v f It is one of the objects of the present inven- :Qtion to provide detachable resilient` horseshoe calks which are of extremely vsimpleand ind expensive manufacture, and in :which themetallic sections are very securely anchoredto theresilient pads" so that the pads cannot mloosen in service. v n K t A further object of the invention is to provide a horseshoe calk having a lower portion adapted to be embedded and anchored in a,V resilient pad, and also having a` hollow tampered shank portion projecting outwardly of the pad and which is filled with thematerial of the pad whereby the metallic member is more securely anchored with respect to the pad and the shank portion is reenforced. i

yq `A further obj ect of the invention is to provide a metallic horseshoe calk which canbe stamped in one operation from a flat blank of sheet metal.

A further object of theinvention is to proiggvide a horseshoe calkwhich is of very simple construction, is extremely inexpensive to manufacture, is strong and durable in service,

and which is well adapted for the purposes set forth.

86' the invention consists of the improved detachable horseshoe calk, and its parts andy combinations as set forth in the claims, and all equivalents thereof. p I l I In the accompanying drawing in which the same reference characters indicate the same parts in all of the views Fig. 1 isy an inverted plan view of a horseshoe equipped with the improved detachable Y padded calks` of the double-calk type; Fig. 2 is a side view thereof;v

'Fig 3 is an enlarged detail sectional view through a portion of a horseshoe and ,pad illustrating the metallic calk construction;

Fig. 4 is a plan view'of a sheet-metal blank from which the metallic sectionV of a padded calkis formed; f

Fig. 5 is an inverted plan view of a fragment of a horseshoe equipped with, single f lpads embodying metallic calk sections con- 5' structed in accordance with the' invention;

With the above and other objects in View App1icanoaineaJniyaay 193i. Y. serial Nb. 5,552,441.`

Fig.l 6 is v'aside View of the showing"k in Fis-:5;

Fig. 7`is la plan view of a sheet-metal blank for forming a modified or alternative'form` 55 Fig.`8 is a plan view of a metallic calk of metallic calk section;

sectionl as formed from the blank shown in Fig. `7 and Fig. 9 is an enlarged detail sectional viewA through a portion of a horseshoe and pad illustrating the modified form of metallic calk section.

"Referringnow more particularly to the4 drawing, with special reference to the form of the invention illustrated by Figs. 1 to 4 f inclusive, it will appear that the numeral 12k indicates `aj horseshoe having in its .front portion a pair of spaced,`upwardly inwardly tapered openings 13,and two pairs of sim-l ,y ilarly shaped and spaced openings 14 in its rear o r heel portions.

The improved kpadded calks are adapted for detachable insertion in the pairs of openings 14 and also in the pair of openings 13,

if desired,'but', as illustrated, a pair of unpadded somewhat sharpened or tapered me-v having tapered Shanks 17 of rounded form cross-section, and enlarged Liared anchoring flanges 18 at the lower ends of the Shanks, said flanges being formed with spaced apertures l9`therein. The anchoring flanges 18 ofa pair of metallic members are embedded in the upper portion of a pad 20 of rubber or other similarresilient material, and said pad cipal Aform of the invention each padded calk includes an elongated resilient pad with s is shaped as shown in Fig. land underlies a` substantial portion of the horseshoe 12. A

It will therefore be seen that in the prin- I a pair of spaced metallic members having anchoring portions embedded in the upper portions of the pad and projecting outwardly thereof. The resilient material of the pad extends through the apertures 19 and increases the anchorage and said material of the pad extends into and completely fills the shanks 17, which are of splitformation and are hollow. This also further aids in the anchorage and reinforces and strengthens said shanks 17. Said tapered shanks are driven into pairsof adjacent tapered holes 14 inthe horseshoe proper and wedgingly.

engage therein. As so positioned, the top surfaces of the resilient pads 2O engage boss portions 21 depending from the horseshoe adjacent the openings 14.

n The shape and formation of each metallic member of the calk is suoli` that it presents a very simple and inexpensive manufacturing *f proposition. Each metallic member of a calk -is formed or stamped in one operation from a blank designated 22 and sli-own in detail in Fig. 4. The blank is formed of relatively thin sheet metal and is shaped as shown with "opposed wing portions 18, which ultimately form the anchoring flanges of the completed member. VVhen the blank is put into a Apunch press or suitable machine and the same is operated,`the dies will force the medial portion f of the blank upwardly and draw the same together to 4form the split tubulansliank 17 with the wing portions being drawn in position to form the anchoring flanges, the completed metallic member being best illustrated :in Fig. 3.

The improved form of padded calks will not work loose from the horseshoe when in service.' Thereris Va large body of theresilient Ypad, material between the surface walked on andthe lower portions of the metallic members, the anchoring flanges 18, and this serves to effectively cushion the animals hoofs.v Also the pads may wear down materially in time and this Will not leffect V the anchorage of the metallic members. Also,

y CA drawal of the tapered shank while the animal is Walking, pressure will be exerted directly against the metallic calk members and will vforce the taperedl Shanks of the same into the openings 14 in the shoe, Y 'whereby there is no possibility ofthe padded calks working loose. l/Vhen the padded calks become unduly worn and replacement ofthe the padded calks 16 are of single formation,

.padded calksare applied as shown and they may also be employed in the forward openings -13 of the "horseshoe,

. -A modified form of metallic calk member is illustrated 'by Figs. 8 and 9, and'said metallic calk member is stamped from a circular sheetmetal blank 23show'nfin Fig. 7. In the formation of a metallic calk'memberffrom the circular blank-23, the metal of the medial portion is 'drawn outwardly to form the taperedV shank portion 17 which is hollow, but is not split. The metal of the peripheral portion of the blank forms anY annular anchoring flange 18 and said flangehas apertures 19 therein. The flange 18 is anchored in the upper portion ofa resilient p'ad 20. or 16' and the material ofthe pad extends into and reinforces the shank 17 The' tapered shank 17 is wedgingly engaged in a taperedh'orseshoe kopening 14.

mil

It will therefore be seen that the 'present invention contemplates the provision of a padded resilient horseshoe calk of the readily removable type, wherein the metallic meinber of the calk is Vextremely simple and inexpensively formed, yetis strong and is securely engaged with the resilient pad to be durable in service. The improved padded calk 'is also simple Vand novel, and is well adapted for the purposes setforth. 'j Y What is claimed as the invention is.:

1. A padded horseshoe calk, comprising a resilientpad, and a metallic member having a lower anchoring flange embedded in said pad and also having a hollow shank portion extending outwardly of the pad and'liaving some of the material of Jthe pad extending thereinto, said shank portion being reinovably engageable With a horseshoe.

2. A padded horseshoecalk, comprising a resilient pad, and a metallic member having' a lower laterally projecting anchoring flange embedded in said pad and also having ahollow Ytapered shank `portion extending Voutwardlyof the pad and having some of the material of the pad extending thereinto, said tapered shank portion being wedgingly insertable in a horseshoe opening.

3. A padded horseshoe: calk, comprising a resilient pad, and a hollow metallic member having an open lower v'anchoringflange em-. bedded insaid pad and a shank portion extending outwardlyof the pad with material of the pad extending into said shank portion for reenforcing and additional anchoring purposes, said shank portion being removably engageable with a horseshoe and the anchoring flange being embedded and terminating substantially inwardly of the lower tread surface of the pad. y n

t. A padded horseshoe oalk, comprising a hollow metallic section having an open iiange portion and a projecting shank portion engageable with a horseshoe, and a resilient pad member enclosing said flange portion v and extending into said shank portion 'and adhered to said metallic section portions.

In testimony whereof, I ailiX my signature.

CARL G. AKERBERG. 

